GREE DC INVERTER HEAT PUMP CONDENSING UNIT
54
(2) The following situations are not operation failures.
Mist comes from the air
conditioner.
If the unit is running under high humidity, the
wet air in the room will be quickly cooled
down.
The air conditioner generates
some noise.
System switches to heating mode after
defrosting.
Defrosting process will generate some water,
which will turn to water vapor.
The air conditioner is buzzing at the beginning
of operation.
Thermostat will be buzzing when it starts
working. The noise will become weak 1min
later.
Dust comes from the air
conditioner.
When the unit is turned on, it purrs.
When the system is just started, the
refrigerant is not stable. About 30s later, the
purr of the unit becomes low.
About 20s after the unit first enables the
heating mode or there is refrigerant brushing
sound when defrosting under heating.
It’s the sound of 4-way valve switching
direction. The sound will disappear after the
valve changes its direction.
There is hissing sound when the unit is started
or stopped and a slight hissing sound during
and after operation.
It’s the sound of gaseous refrigerant that stops
flowing and the sound of drainage system.
There is a sound of crunching during and after
operation.
Because of temperature change, front panel
and other components may be swelled up and
cause abrasion sound.
There is a hissing sound when the unit is
turned on or suddenly stopped during
operation or after defrosting.
Because refrigerant suddenly stops flowing or
changes the flow direction.
The unit starts operation after being unused
for a long time.
Dust inside the units come out together with
the air.
The air conditioner generates
some smell.
The room smell or the smell of cigarette
comes out through the units.
NOTICE:
Check the above items and adopt the corresponding corrective measures. If the air conditioner continues to
function poorly, please stop the air conditioner immediately and contact Gree’s authorized local service center.
Ask our professional service staff to check and repair the unit.
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